Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 208,879
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     210,203
Calibration 2     208,509
Calibration 3     208,935
ssj_ops@calibrated=208,722
100% 100.1% 208,722 208,879
90% 90.2% 187,850 188,289
80% 80.7% 166,978 168,382
70% 69.8% 146,105 145,609
60% 59.9% 125,233 125,103
50% 49.2% 104,361 102,697
40% 39.8% 83,489 83,171
30% 29.9% 62,617 62,350
20% 20.2% 41,744 42,128
10% 9.8% 20,872 20,441
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,290,101 1,494
Payment 15,290,103
Order Status 1,529,010
Delivery 1,529,010
Stock Level 1,529,010
Customer Report 15,290,103
Calibration 2 New Order 15,164,920 1,494
Payment 15,164,915
Order Status 1,516,492
Delivery 1,516,492
Stock Level 1,516,491
Customer Report 15,164,920
Calibration 3 New Order 15,197,307 1,494
Payment 15,197,306
Order Status 1,519,730
Delivery 1,519,730
Stock Level 1,519,730
Customer Report 15,197,304
100% 100.1% New Order 15,191,551 1,494
Payment 15,191,555
Order Status 1,519,155
Delivery 1,519,154
Stock Level 1,519,156
Customer Report 15,191,547
90% 90.2% New Order 13,693,919 1,494
Payment 13,693,915
Order Status 1,369,391
Delivery 1,369,392
Stock Level 1,369,390
Customer Report 13,693,909
80% 80.7% New Order 12,246,530 1,494
Payment 12,246,537
Order Status 1,224,651
Delivery 1,224,654
Stock Level 1,224,653
Customer Report 12,246,533
70% 69.8% New Order 10,589,868 1,494
Payment 10,589,869
Order Status 1,058,988
Delivery 1,058,986
Stock Level 1,058,986
Customer Report 10,589,868
60% 59.9% New Order 9,099,123 1,494
Payment 9,099,127
Order Status 909,912
Delivery 909,913
Stock Level 909,913
Customer Report 9,099,130
50% 49.2% New Order 7,469,381 1,494
Payment 7,469,376
Order Status 746,938
Delivery 746,938
Stock Level 746,939
Customer Report 7,469,382
40% 39.8% New Order 6,049,149 1,494
Payment 6,049,150
Order Status 604,915
Delivery 604,913
Stock Level 604,916
Customer Report 6,049,150
30% 29.9% New Order 4,534,544 1,494
Payment 4,534,547
Order Status 453,455
Delivery 453,454
Stock Level 453,456
Customer Report 4,534,544
20% 20.2% New Order 3,063,939 1,494
Payment 3,063,939
Order Status 306,394
Delivery 306,394
Stock Level 306,393
Customer Report 3,063,941
10% 9.8% New Order 1,486,666 1,494
Payment 1,486,668
Order Status 148,667
Delivery 148,666
Stock Level 148,667
Customer Report 1,486,666
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0