Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,321
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     199,580
Calibration 2     197,654
Calibration 3     197,568
ssj_ops@calibrated=197,611
100% 99.9% 197,611 197,321
90% 90.7% 177,850 179,246
80% 80.2% 158,089 158,518
70% 69.7% 138,328 137,715
60% 60.0% 118,566 118,658
50% 50.4% 98,805 99,657
40% 39.8% 79,044 78,735
30% 30.0% 59,283 59,349
20% 20.0% 39,522 39,572
10% 9.8% 19,761 19,446
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,517,814 1,494
Payment 14,517,813
Order Status 1,451,781
Delivery 1,451,781
Stock Level 1,451,782
Customer Report 14,517,815
Calibration 2 New Order 14,375,739 1,494
Payment 14,375,732
Order Status 1,437,574
Delivery 1,437,575
Stock Level 1,437,575
Customer Report 14,375,743
Calibration 3 New Order 14,368,618 1,494
Payment 14,368,615
Order Status 1,436,861
Delivery 1,436,862
Stock Level 1,436,862
Customer Report 14,368,615
100% 99.9% New Order 14,351,890 1,494
Payment 14,351,894
Order Status 1,435,188
Delivery 1,435,190
Stock Level 1,435,189
Customer Report 14,351,893
90% 90.7% New Order 13,037,676 1,494
Payment 13,037,674
Order Status 1,303,769
Delivery 1,303,768
Stock Level 1,303,766
Customer Report 13,037,674
80% 80.2% New Order 11,529,696 1,494
Payment 11,529,696
Order Status 1,152,970
Delivery 1,152,971
Stock Level 1,152,971
Customer Report 11,529,694
70% 69.7% New Order 10,016,774 1,494
Payment 10,016,771
Order Status 1,001,677
Delivery 1,001,677
Stock Level 1,001,679
Customer Report 10,016,768
60% 60.0% New Order 8,630,742 1,494
Payment 8,630,737
Order Status 863,073
Delivery 863,075
Stock Level 863,073
Customer Report 8,630,739
50% 50.4% New Order 7,248,092 1,494
Payment 7,248,091
Order Status 724,809
Delivery 724,808
Stock Level 724,809
Customer Report 7,248,089
40% 39.8% New Order 5,726,426 1,494
Payment 5,726,428
Order Status 572,643
Delivery 572,643
Stock Level 572,641
Customer Report 5,726,430
30% 30.0% New Order 4,316,517 1,494
Payment 4,316,516
Order Status 431,651
Delivery 431,652
Stock Level 431,651
Customer Report 4,316,514
20% 20.0% New Order 2,878,116 1,494
Payment 2,878,111
Order Status 287,812
Delivery 287,812
Stock Level 287,812
Customer Report 2,878,112
10% 9.8% New Order 1,414,281 1,494
Payment 1,414,285
Order Status 141,429
Delivery 141,428
Stock Level 141,429
Customer Report 1,414,279
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0