Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,092
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     206,209
Calibration 2     194,927
Calibration 3     193,869
ssj_ops@calibrated=194,398
100% 99.3% 194,398 193,092
90% 90.3% 174,958 175,617
80% 80.0% 155,518 155,523
70% 70.0% 136,078 136,120
60% 60.2% 116,639 117,080
50% 49.7% 97,199 96,549
40% 39.6% 77,759 76,915
30% 30.0% 58,319 58,241
20% 19.8% 38,880 38,482
10% 9.8% 19,440 19,058
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 14,999,449 1,494
Payment 14,999,456
Order Status 1,499,945
Delivery 1,499,946
Stock Level 1,499,946
Customer Report 14,999,457
Calibration 2 New Order 14,178,522 1,494
Payment 14,178,523
Order Status 1,417,852
Delivery 1,417,853
Stock Level 1,417,853
Customer Report 14,178,517
Calibration 3 New Order 14,100,539 1,494
Payment 14,100,544
Order Status 1,410,054
Delivery 1,410,055
Stock Level 1,410,055
Customer Report 14,100,539
100% 99.3% New Order 14,044,104 1,494
Payment 14,044,106
Order Status 1,404,410
Delivery 1,404,411
Stock Level 1,404,410
Customer Report 14,044,108
90% 90.3% New Order 12,773,272 1,494
Payment 12,773,275
Order Status 1,277,327
Delivery 1,277,327
Stock Level 1,277,328
Customer Report 12,773,275
80% 80.0% New Order 11,311,866 1,494
Payment 11,311,868
Order Status 1,131,189
Delivery 1,131,186
Stock Level 1,131,188
Customer Report 11,311,869
70% 70.0% New Order 9,899,649 1,494
Payment 9,899,653
Order Status 989,965
Delivery 989,965
Stock Level 989,964
Customer Report 9,899,650
60% 60.2% New Order 8,514,959 1,494
Payment 8,514,962
Order Status 851,496
Delivery 851,495
Stock Level 851,496
Customer Report 8,514,961
50% 49.7% New Order 7,021,922 1,494
Payment 7,021,923
Order Status 702,193
Delivery 702,194
Stock Level 702,193
Customer Report 7,021,926
40% 39.6% New Order 5,594,011 1,494
Payment 5,594,010
Order Status 559,401
Delivery 559,401
Stock Level 559,400
Customer Report 5,594,011
30% 30.0% New Order 4,235,927 1,494
Payment 4,235,926
Order Status 423,593
Delivery 423,594
Stock Level 423,593
Customer Report 4,235,928
20% 19.8% New Order 2,798,744 1,494
Payment 2,798,744
Order Status 279,875
Delivery 279,875
Stock Level 279,874
Customer Report 2,798,743
10% 9.8% New Order 1,386,080 1,494
Payment 1,386,077
Order Status 138,607
Delivery 138,607
Stock Level 138,608
Customer Report 1,386,080
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0