Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,695
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     209,832
Calibration 2     208,736
Calibration 3     208,613
ssj_ops@calibrated=208,674
100% 99.5% 208,674 207,695
90% 90.3% 187,807 188,501
80% 80.0% 166,939 166,850
70% 70.4% 146,072 146,890
60% 60.1% 125,205 125,463
50% 49.2% 104,337 102,698
40% 39.6% 83,470 82,707
30% 30.1% 62,602 62,791
20% 20.0% 41,735 41,641
10% 10.1% 20,867 21,108
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 15,263,927 1,494
Payment 15,263,929
Order Status 1,526,393
Delivery 1,526,393
Stock Level 1,526,393
Customer Report 15,263,929
Calibration 2 New Order 15,182,705 1,494
Payment 15,182,706
Order Status 1,518,270
Delivery 1,518,270
Stock Level 1,518,270
Customer Report 15,182,707
Calibration 3 New Order 15,173,463 1,494
Payment 15,173,468
Order Status 1,517,346
Delivery 1,517,345
Stock Level 1,517,345
Customer Report 15,173,459
100% 99.5% New Order 15,105,418 1,494
Payment 15,105,413
Order Status 1,510,542
Delivery 1,510,541
Stock Level 1,510,540
Customer Report 15,105,413
90% 90.3% New Order 13,709,336 1,494
Payment 13,709,336
Order Status 1,370,933
Delivery 1,370,933
Stock Level 1,370,934
Customer Report 13,709,333
80% 80.0% New Order 12,134,606 1,494
Payment 12,134,611
Order Status 1,213,462
Delivery 1,213,460
Stock Level 1,213,461
Customer Report 12,134,608
70% 70.4% New Order 10,683,018 1,494
Payment 10,683,020
Order Status 1,068,301
Delivery 1,068,302
Stock Level 1,068,302
Customer Report 10,683,020
60% 60.1% New Order 9,125,068 1,494
Payment 9,125,067
Order Status 912,508
Delivery 912,506
Stock Level 912,507
Customer Report 9,125,069
50% 49.2% New Order 7,469,016 1,494
Payment 7,469,017
Order Status 746,900
Delivery 746,902
Stock Level 746,902
Customer Report 7,469,011
40% 39.6% New Order 6,015,140 1,494
Payment 6,015,142
Order Status 601,514
Delivery 601,514
Stock Level 601,514
Customer Report 6,015,141
30% 30.1% New Order 4,566,633 1,494
Payment 4,566,636
Order Status 456,664
Delivery 456,662
Stock Level 456,662
Customer Report 4,566,634
20% 20.0% New Order 3,028,482 1,494
Payment 3,028,487
Order Status 302,849
Delivery 302,849
Stock Level 302,849
Customer Report 3,028,485
10% 10.1% New Order 1,535,151 1,494
Payment 1,535,152
Order Status 153,516
Delivery 153,515
Stock Level 153,516
Customer Report 1,535,150
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0